Yassin Ibrahim Elghali Abakar

 Witnessing, and commissioning for 380kv /132 kv New Projects.
 Check and Verification of LCC Schemes and Interlock Check.
 Check and Verification of All Protection Panels schemes and Functions
Such as:
 Bus bar Protection (Hi and Low Impedance)
 Lines Distance and Directional Earth Fault (DEF) Protection
 Transformers, Reactors and lines Differential Protection
 TEE Connections Protection.
 STUCK Protection For Low voltage Side
 Over current and Earth fault Protection
 Circuit Breakers Failure (CBF).
 Pole Discrepancy (PD).
 Witnessing and Commissioning for Power Equipment such as:
 Power Transformers 500 MVA
 Reactors 150 MVAR
 Capacitor Banks
 Witnessing and Verification for Substation SAS Signals, Open and Close
Loop till Control Center (CRCC).
 Witnessing and Commissioning and check different Control Devices such as:
 ACCS (Automatic Capacitor Control System)
 RTCCS (Remote Tap Changer Control System)
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 Witnessing, and Commissioning for Different Types of Protective Relays
Such as:
 ABB Relays (REF, REL670, RET, REB, REQ, REC670, RED670…)
 ALSTOM MICOM Relays (P127, P142, P546, P442, P443, …)
 SEIMENS Relays (7SJ, 7SA, 7SS, 7UT…)
 SEL Relays - SEL-411L
 GE Relays

 Consultant and Projects Management for EHV 380KV New BSP Projects.
 Inspection and check of all new Electrical Equipments and Control Devices Materials as Per Saudi Electricity Company Standard (SEC PTS- TMSS).
 Follow Construction and installation of GIS, LCC, Protection Panels and all Electrical equipment’s installations as Per Saudi Electricity Company Standard (SEC STD).
 Follow Testing and Commissioning Activities Progress.
 SF6 Leakage, Dew Point check and H.V Test for GIS, GIB and Power Cables.
 Earth Grounding Resistance Test.
 Preparing and writing daily activities Report.
 Professional in Technical Report Writing when there is deviation.
 Give Site Instructions for Contractors Labors and employees to follow safety instructions while doing
installations and Testing; resulting in zero electrical accident.

Power Systems Protection Maintenance
Fault investigation
Setting calculation and coordination between different protective Relays in different Substation using MATLAP software.
Participate with team members to contribute to ongoing projects.
 Working in group for adaptations and reinforcement of the network extension.
 Functional verification of protection scheme designs.
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Teaching Assistance